我国是一个传统的渔业和水产养殖大国,淡水养殖在改革开放以前主要是以四大家鱼为主;青虾、河蟹、中华鳖、南美白对虾、鳜鱼等名特优新水产品的单养或套养仅仅是近几年来的养殖模式,而这些模式的推广不仅为适应市场消费热点、满足消费者要求奠定了基础,而且还为探索名特优新水 China is a traditional large-scale fishery and aquaculture country. Before the reform and opening up, the freshwater aquaculture was mainly dominated by four major domestic fish. The aquaculture of freshwater shrimp, crab, Chinese soft-shelled turtle, white shrimp and bighead carp Or nesting is only the breeding model in recent years, and these models not only to promote the promotion of consumer markets to meet the hot, laid the foundation to meet consumer demand, but also to explore the name of the new water